Cap #rss get summaries to one mesh packet (v0.20.1)

Replies >~190 chars fragment into fire-and-forget packets recipients
often never receive; old prompt produced ~326-334 char replies.

Prompt now asks for at most 3 short bullet lines, each under 45 chars,
bullets only (verified live: exactly 3 compliant bullets, ~110 chars).
fitOnePacket() backstop cuts any over-length reply at complete-bullet
boundaries so delivery is one packet even if the model ignores the prompt.

maxTokens 200 -> 2500 on the summary chat(): empirically verified that
this server's reasoning tokens count against max_tokens (cap 150 ->
completion 150 of which 105 were reasoning; cap 500 fully consumed by
reasoning, zero visible content) and thinking is uncontrollable
server-side (/no_think, chat_template_kwargs.enable_thinking,
thinking_budget all ignored), observed 32..1776 tokens for this task.
2500 covers every observed run + ~80 content tokens, worst case ~42 s
under the 60 s LLM timeout.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mesh-bot",
-  "version": "0.20.0",
+  "version": "0.20.1",
   "description": "",
   "author": "",
   "private": true,